[petsc-dev] https://www.dursi.ca/post/hpc-is-dying-and-mpi-is-killing-it.html

Matthew Knepley knepley at gmail.com
Sun Mar 17 18:32:08 CDT 2019

On Sun, Mar 17, 2019 at 5:34 PM Jed Brown via petsc-dev <
petsc-dev at mcs.anl.gov> wrote:

> "Smith, Barry F. via petsc-dev" <petsc-dev at mcs.anl.gov> writes:
> >   I stubbled on this today; I should have seen it years ago.
> https://lists.mpich.org/pipermail/devel/2015-April/000536.html
> https://twitter.com/KpDooty/status/585763759777574912
> Proposing, as replacements for MPI, systems with no successful libraries
> is a strange hill to die on.  I'd like a system with more flexible
> process management and better support/conventions for interactive
> environments (where interrupts and programming bugs are common).  That
> would help reduce impedance mismatch between MPI and the likes of Spark
> and Dask.  Any discussion of such tools should include an explanation of
> why MPI has been/is used by machine learning groups including Watson,
> Baidu, Bing, and OpenAI.

I wasted 30s skimming this. I should has used that to recognize the author
as a member of the FLASH team before reading.


What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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